public class A {
    private  float a;
    private  static float b;

    public void  setA(float val){
        this.a = val;
    }
    public void setB(float val){
        this.b = val;
    }

    public float getA() {
        return a;
    }

    public static float getB() {
        return b;
    }

    public  void printA() {
        System.out.println("printA:"+a);
    }

    public static void printB() {
        System.out.println("printB:"+b);
    }
}
